The engine is complete and runs on air in both directions, although passing by valves and/or pistons.
Although in current club test, on hydraulic test in the workshop the silver soldered copper boiler showed several minor leaks on the foundation ring, with an older repair to one of them. Two construction rivets showed beads of water.
| gauge | 3 1/2 inch |
| length/inches | 28 |
| width/inches | 17 1/2 |
| height/inches | 11 |
| weight/kg | 30+10 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| cylinder material | gunmetal |
| valve type | slide |
| valve gear | Walschaerts |
| reverser type | screw |
| boiler number | 307462 |
| year built | unknown |
| boiler maker | non-commercial |
| CE mark | n/a - non-commercial |
| working pressure/psi | 80 |
| boiler type | locomotive |
| boiler material | copper |
| boiler construction | silver soldered |
| superheater(s) | 2 |
| superheater type | flue tube |
| safety valve(s) | 2 |
| safety valve type | pop |
| mechanical pump | 1 |
| hand pump | 1 |
| whistle | 1 |